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Asus TUF Sabertooth X99 Motherboard Review

Rating: 9.0.

Guaranteed reliability and enhanced thermal performance are the crucial principles upon which Asus' TUF series motherboards are forged. A variety of military-grade certification tests, as well as five years' worth of warranty, tackle the ‘guaranteed' part of guaranteed reliability.

The physical elements of reliability and thermal performance, however, are handled with a different approach which includes a mixture of customised engineering and specifically-chosen components.

Perhaps the most evident feature of Asus' TUF Sabertooth X99 motherboard is its distinctive Thermal Armor covering. The plastic shroud serves as a means of segregating heat sources and protecting the PCB, while the solid-metal TUF Fortifier found on the rear enhances structural integrity.

Functional values aside, an aesthetic appearance that is unique to only a select-few Asus motherboard SKUs is one of the key elements of Thermal Armor. Hate it or love it, the mechanism's appearance is undeniably unique.

With individually-certified power delivery components, enhanced thermal control solutions, and an array of features ready for a long-term powerhouse, how does Asus' Sabertooth X99 motherboard fare under closer examination?


  • Ultra-fast 10Gb/s USB 3.1 built in to the board
  • Patent Pending OC Socket – Drive CPU and DDR4 performance beyond all expectations!
  • TUF Detective – system information at your fingertips
  • Thermal Armor – Total airflow-boosting heat dissipation
  • TUF Fortifier – Damage Protection and Improved Cooling
  • Thermal Radar 2 – Customized Fan Tuning, Complete System Cooling
  • TUF Components [TUF 10K Ti-Caps, TUF Chokes & MOSFETs; Certified by Military-standard]

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